[PATCH] mmc: Add support for eMMC 5.1B specification

[Simon Glass]

Hi,

On Sun, 22 Mar 2026 at 21:20, Peng Fan (OSS) <peng.fan at oss.nxp.com> wrote:
>
> From: Peng Fan <peng.fan at nxp.com>
>
>
> On Wed, 25 Feb 2026 15:13:32 -0600, Han Xu wrote:
> > Add support for eMMC specification version 5.1B by defining
> > MMC_VERSION_5_1B and including it in the version array.
> >
> > eMMC 5.1B (JESD84-B51B) is a minor revision of the 5.1 specification
> > that primarily addresses MDT (Manufacturing Date) adjustment for dates
> > beyond 2025. This aligns with the Linux kernel commit 9996707822f82
> > ("mmc: core: Adjust MDT beyond 2025").
> >
> > [...]
>
> Applied to mmc-next-2026-03-23, thanks!
>
> [1/1] mmc: Add support for eMMC 5.1B specification
>       commit: 67fc505228558efa19380542d801807fa9eee054
>

Oddly this commit (which looks fine to me) breaks beagleplay in my
lab. There is no console output from SPL at all.

If I disable LTO it seems to work OK. So perhaps this is a 14.2
toolchain bug. I'm just posting here in case anyone else hits the same
thing.

Regards,
Simon